# Chorus Reader vs KO Reader

The clearest difference is price: Chorus Reader at Free against KO Reader's $3.99. Chorus Reader also leads on rating (4.7 vs 3.6) and review sentiment (100% vs 67%). KO Reader's advantage is in-app purchases (none vs 1) and chart position (#18 vs unranked). On ratings volume, ads and device support there is nothing between them.

Chorus Reader is free to download; KO Reader costs $3.99 up front. Chorus Reader sells 1 one-off in-app purchase. KO Reader asks for nothing beyond the download.

Chorus Reader holds the better App Store score, 4.7 against 3.6. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 100% of Chorus Reader's written reviews are positive against 67% of KO Reader's.

## The numbers

| Metric | Chorus Reader | KO Reader |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/chorus-reader/id6759882177/reviews)** | [3.6 (5 ratings)](https://appshunter.io/ios/app/ko-reader/id6761862109/reviews) |
| Number of ratings | 3 | **5** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#18** |
| Size | 1.9 GB | 26 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Aleksander Allen](https://appshunter.io/developer/1848492528) | [James Carrell II](https://appshunter.io/developer/1891816764) |

## What reviewers say

### Chorus Reader

[App page](https://appshunter.io/ios/app/chorus-reader/id6759882177)

Transform your documents, articles, and files into natural-sounding audiobooks. Enjoy real-time streaming and studio-quality speech synthesis entirely on your device, with no internet connection required. Choose from a variety of voices or clone your own for a personalized listening experience.

**Highlights:** On-device text-to-audiobook generation, Real-time audio streaming, Supports EPUB, PDF, text, and Markdown, 30+ built-in voices, Voice cloning and recording, Standard and Turbo generation modes, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Chorus | $9.99 | one-time |


### KO Reader

[App page](https://appshunter.io/ios/app/ko-reader/id6761862109)

**Currently charting:** #18 Top Paid · Book (US App Store)

This app transforms web articles, ebooks, and PDFs into natural-sounding speech using on-device AI. Enjoy private, offline listening with customizable voices and playback speeds. Export audio for later or read anywhere without an internet connection.

**Highlights:** On-device text-to-speech, Supports web articles, EPUB, PDF, and plain text, 53 neural voices in 9 languages, Customizable playback speed, Audio export to m4a/m4b, Offline functionality, Privacy-focused, no tracking

**In-app purchases:** none


## Frequently asked questions

### Is Chorus Reader free?

Chorus Reader is free to download, with in-app purchases available.

### Is KO Reader free?

KO Reader costs $3.99, with no in-app purchases.

### Which has better reviews, Chorus Reader or KO Reader?

Chorus Reader is rated higher. Chorus Reader averages 4.7 out of 5 from 3 ratings, while KO Reader averages 3.6 from 5 ratings.

### Do Chorus Reader or KO Reader have ads?

Neither Chorus Reader nor KO Reader shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*